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All results from a given calculation for CH3OOCH3 (dimethylperoxide)

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-229.089510
Energy at 298.15K-229.096462
Nuclear repulsion energy135.055921
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at LSDA/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3053 3020 0.00      
2 Ag 2921 2889 0.00      
3 Ag 1448 1432 0.00      
4 Ag 1368 1353 0.00      
5 Ag 1237 1224 0.00      
6 Ag 1063 1051 0.00      
7 Ag 846 837 0.00      
8 Ag 485 479 0.00      
9 Au 2980 2948 75.93      
10 Au 1369 1354 20.55      
11 Au 1129 1116 0.47      
12 Au 201 199 3.87      
13 Au 40 40 8.82      
14 Bg 2980 2947 0.00      
15 Bg 1366 1352 0.00      
16 Bg 1136 1124 0.00      
17 Bg 259 256 0.00      
18 Bu 3053 3019 11.83      
19 Bu 2917 2885 99.48      
20 Bu 1440 1424 30.58      
21 Bu 1361 1346 0.01      
22 Bu 1133 1121 56.99      
23 Bu 1081 1069 49.44      
24 Bu 299 296 12.51      

Unscaled Zero Point Vibrational Energy (zpe) 17582.1 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 17390.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at LSDA/cc-pVTZ
ABC
1.06198 0.15690 0.14438

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.434 0.580 0.000
O2 0.434 -0.580 0.000
C3 0.434 1.663 0.000
C4 -0.434 -1.663 0.000
H5 -0.217 2.548 0.000
H6 1.072 1.676 0.902
H7 1.072 1.676 -0.902
H8 0.217 -2.548 0.000
H9 -1.072 -1.676 0.902
H10 -1.072 -1.676 -0.902

Atom - Atom Distances (Å)
  O1 O2 C3 C4 H5 H6 H7 H8 H9 H10
O11.44811.38752.24241.98052.06892.06893.19512.51122.5112
O21.44812.24241.38753.19512.51122.51121.98052.06892.0689
C31.38752.24243.43661.09931.10461.10464.21663.77133.7713
C42.24241.38753.43664.21663.77133.77131.09931.10461.1046
H51.98053.19511.09934.21661.79901.79905.11524.40284.4028
H62.06892.51121.10463.77131.79901.80344.40283.97794.3676
H72.06892.51121.10463.77131.79901.80344.40284.36763.9779
H83.19511.98054.21661.09935.11524.40284.40281.79901.7990
H92.51122.06893.77131.10464.40283.97794.36761.79901.8034
H102.51122.06893.77131.10464.40284.36763.97791.79901.8034

picture of dimethylperoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 O2 C4 104.500 O1 C3 H5 104.985
O1 C3 H6 111.726 O1 C3 H7 111.726
O2 O1 C3 104.500 O2 C4 H8 104.985
O2 C4 H9 111.726 O2 C4 H10 111.726
H5 C3 H6 109.429 H5 C3 H7 109.429
H6 C3 H7 109.431 H8 C4 H9 109.429
H8 C4 H10 109.429 H9 C4 H10 109.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.151      
2 O -0.151      
3 C -0.114      
4 C -0.114      
5 H 0.108      
6 H 0.079      
7 H 0.079      
8 H 0.108      
9 H 0.079      
10 H 0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.030 1.407 0.000
y 1.407 -19.271 0.000
z 0.000 0.000 -25.647
Traceless
 xyz
x -3.571 1.407 0.000
y 1.407 6.568 0.000
z 0.000 0.000 -2.997
Polar
3z2-r2-5.993
x2-y2-6.760
xy1.407
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.144 0.486 0.000
y 0.486 7.592 0.000
z 0.000 0.000 4.888


<r2> (average value of r2) Å2
<r2> 90.747
(<r2>)1/2 9.526